Complete both questions. Show as much work as possible. 1. Consider the length of the graph f (x) = - from (1,1) to| 4, Approximate x the length of the curve by finding the lengths of three line segments. (hint: use the x-values 1,2,3,4) 2. Find the limit L and the use the &, 6 definition to prove that the limit is L. lim (3x +5)